// license:GPL-2.0+ // copyright-holders:Juergen Buchmueller, Krzysztof Strzecha, Robbbert /***************************************************************************** * * includes/zx.h * ****************************************************************************/ #ifndef ZX_H_ #define ZX_H_ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/speaker.h" #include "sound/wave.h" #include "imagedev/cassette.h" #include "formats/zx81_p.h" #include "machine/ram.h" class zx_state : public driver_device { public: zx_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_ram(*this, RAM_TAG), m_cassette(*this, "cassette"), m_speaker(*this, "speaker"), m_region_maincpu(*this, "maincpu"), m_region_gfx1(*this, "gfx1"), m_io_row0(*this, "ROW0"), m_io_row1(*this, "ROW1"), m_io_row2(*this, "ROW2"), m_io_row3(*this, "ROW3"), m_io_row4(*this, "ROW4"), m_io_row5(*this, "ROW5"), m_io_row6(*this, "ROW6"), m_io_row7(*this, "ROW7"), m_io_config(*this, "CONFIG"), m_screen(*this, "screen") { } UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); DECLARE_READ8_MEMBER(ula_high_r); DECLARE_READ8_MEMBER(ula_low_r); DECLARE_WRITE16_MEMBER(refresh_w); DECLARE_READ8_MEMBER(zx80_io_r); DECLARE_READ8_MEMBER(zx81_io_r); DECLARE_READ8_MEMBER(pc8300_io_r); DECLARE_READ8_MEMBER(pow3000_io_r); DECLARE_WRITE8_MEMBER(zx80_io_w); DECLARE_WRITE8_MEMBER(zx81_io_w); DECLARE_DRIVER_INIT(zx); virtual void machine_reset() override; virtual void video_start() override; DECLARE_PALETTE_INIT(zx); DECLARE_PALETTE_INIT(ts1000); void zx_tape_input(); void zx_ula_hsync(); protected: enum { TIMER_TAPE_INPUT, TIMER_ULA_HSYNC }; required_device m_maincpu; required_device m_ram; required_device m_cassette; optional_device m_speaker; required_memory_region m_region_maincpu; optional_memory_region m_region_gfx1; required_ioport m_io_row0; required_ioport m_io_row1; required_ioport m_io_row2; required_ioport m_io_row3; required_ioport m_io_row4; required_ioport m_io_row5; required_ioport m_io_row6; required_ioport m_io_row7; optional_ioport m_io_config; required_device m_screen; address_space *m_program; emu_timer *m_tape_input, *m_ula_hsync; bool m_vsync_active, m_hsync_active, m_nmi_on, m_nmi_generator_active; UINT64 m_base_vsync_clock, m_vsync_start_time; UINT32 m_ypos; UINT8 m_prev_refresh; UINT8 m_speaker_state; std::unique_ptr m_bitmap_render; std::unique_ptr m_bitmap_buffer; UINT16 m_ula_char_buffer; double m_cassette_cur_level; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; void drop_sync(); void recalc_hsync(); }; #endif /* ZX_H_ */